Package com.penta.sdk.hash

Class IssacHash

java.lang.Object

com.penta.sdk.hash.IssacHash

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class IssacHash
extends java.lang.Object
implements java.io.Closeable

메시지 다이제스트 (MD, HASH) 기능을 제공한다.

Field Summary

Fields

Modifier and Type	Field	Description
static int	ISSACAPI_HAS160
static int	ISSACAPI_MD5
static int	ISSACAPI_RIPEMD160
static int	ISSACAPI_SHA
static int	ISSACAPI_SHA1
static int	ISSACAPI_SHA256
static int	ISSACAPI_SHA384
static int	ISSACAPI_SHA512

Constructor Summary

Constructors

Constructor	Description
IssacHash()	생성자

Method Summary

Modifier and Type	Method	Description
void	close()
byte[]	finalizeAndGet()	Deprecated. Resource Leak 의 효율적인 관리를 위해 generate() 와 close() 를 사용할 것을 권장함.
byte[]	generate()	해시값을 가져온다.
void	init(int hashAlg)	IssacHash 객체를 초기화한다.
void	update(byte[] message)	해시할 데이터를 추가한다.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ISSACAPI_HAS160

public static final int ISSACAPI_HAS160

See Also:

Constant Field Values

ISSACAPI_SHA1

public static final int ISSACAPI_SHA1

See Also:

Constant Field Values

ISSACAPI_RIPEMD160

public static final int ISSACAPI_RIPEMD160

See Also:

Constant Field Values

ISSACAPI_MD5

public static final int ISSACAPI_MD5

See Also:

Constant Field Values

ISSACAPI_SHA

public static final int ISSACAPI_SHA

See Also:

Constant Field Values

ISSACAPI_SHA256

public static final int ISSACAPI_SHA256

See Also:

Constant Field Values

ISSACAPI_SHA384

public static final int ISSACAPI_SHA384

See Also:

Constant Field Values

ISSACAPI_SHA512

public static final int ISSACAPI_SHA512

See Also:

Constant Field Values

Constructor Detail

IssacHash

public IssacHash()

생성자

Method Detail

init

public void init(int hashAlg)
          throws IssacSDKException

IssacHash 객체를 초기화한다.

Parameters:

hashAlg - [IN] 해시 알고리즘 [ ISSACAPI_HAS160(1), ISSACAPI_SHA1(2), ISSACAPI_SHA256(6) ]

Throws:

IssacSDKException - 오류 발생

update

public void update(byte[] message)
            throws IssacSDKException

해시할 데이터를 추가한다.

Parameters:

message - [IN] 추가할 데이터

Throws:

IssacSDKException - 오류 발생

generate

public byte[] generate()
                throws IssacSDKException

해시값을 가져온다.

Returns:

해시값

Throws:

IssacSDKException - 오류 발생

finalizeAndGet

public byte[] finalizeAndGet()
                      throws IssacSDKException

Deprecated.

Resource Leak 의 효율적인 관리를 위해 generate() 와 close() 를 사용할 것을 권장함.

해시값을 가져오고 리소스를 해제한다.

Returns:

해시값

Throws:

IssacSDKException - 오류 발생

close

public void close()
           throws IssacSDKException

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Throws:

IssacSDKException